The second son of Sander Sanders and Esther Morpurgo, Leonard Sanders, was born on 14 May 1904 in Amsterdam. Like his father Sander and his brother Willem, Leonard eventually also became a tailor by profession. However, before that Leonard had already been employed as a warehouse clerk, as a diamond cutter and as a traveler.
On 27 January 1919, Leonard was admitted as an apprentice diamond cutter…